Dark Energy Camera
E76039
The Dark Energy Camera is a powerful wide-field astronomical imaging instrument designed to study dark energy and map the large-scale structure of the universe.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Dark Energy Camera canonical | 9 |
| DECam | 3 |
| Dark Energy Camera (DECam) | 1 |
| Dark Energy Camera Plane Survey | 1 |
| Dark Energy Camera on Víctor M. Blanco 4-meter Telescope | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T607209 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dark Energy Camera Context triple: [Cerro Tololo Inter-American Observatory, hostsTelescope, Dark Energy Camera]
-
A.
Vera C. Rubin Observatory
The Vera C. Rubin Observatory is a next-generation astronomical facility in Chile designed to conduct the Legacy Survey of Space and Time, producing an unprecedented, deep, wide, and fast imaging survey of the night sky.
-
B.
Advanced Camera for Surveys
The Advanced Camera for Surveys is a high-resolution imaging instrument on the Hubble Space Telescope designed to capture detailed observations of distant galaxies, galaxy clusters, and other faint astronomical objects.
-
C.
Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
-
D.
James Webb Space Telescope
The James Webb Space Telescope is a large, space-based observatory designed to study the universe in infrared light, revealing the formation of the first galaxies, stars, and planetary systems with unprecedented sensitivity and resolution.
-
E.
Giant Magellan Telescope
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dark Energy Camera Target entity description: The Dark Energy Camera is a powerful wide-field astronomical imaging instrument designed to study dark energy and map the large-scale structure of the universe.
-
A.
Vera C. Rubin Observatory
The Vera C. Rubin Observatory is a next-generation astronomical facility in Chile designed to conduct the Legacy Survey of Space and Time, producing an unprecedented, deep, wide, and fast imaging survey of the night sky.
-
B.
Advanced Camera for Surveys
The Advanced Camera for Surveys is a high-resolution imaging instrument on the Hubble Space Telescope designed to capture detailed observations of distant galaxies, galaxy clusters, and other faint astronomical objects.
-
C.
Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
-
D.
James Webb Space Telescope
The James Webb Space Telescope is a large, space-based observatory designed to study the universe in infrared light, revealing the formation of the first galaxies, stars, and planetary systems with unprecedented sensitivity and resolution.
-
E.
Giant Magellan Telescope
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical camera
ⓘ
instrument for a ground-based telescope ⓘ wide-field imager ⓘ |
| abbreviation |
DECam
ⓘ
linked to:
Dark Energy Camera
|
| collaborationIncludes |
National Science Foundation funded institutions
ⓘ
U.S. Department of Energy laboratories ⓘ international universities and observatories ⓘ |
| commissionedInYear | 2012 ⓘ |
| countryOfTelescope | Chile ⓘ |
| dataUsedFor |
cosmological parameter estimation
ⓘ
galaxy evolution studies ⓘ stellar astrophysics ⓘ |
| designedToConstrain | equation of state of dark energy ⓘ |
| designedToMeasure | cosmic acceleration ⓘ |
| detectorType | CCD ⓘ |
| developedBy |
Dark Energy Survey collaboration
ⓘ
linked to:
Dark Energy Survey
Fermilab ⓘ
linked to:
Fermi National Accelerator Laboratory
|
| fieldOfView | approximately 3 square degrees ⓘ |
| firstLightYear | 2012 ⓘ |
| fullName | Dark Energy Camera ⓘ |
| hasFilter |
Y-band
ⓘ
g-band ⓘ i-band ⓘ r-band ⓘ z-band ⓘ |
| hostTelescopeAperture | 4 meters ⓘ |
| installedOn | Víctor M. Blanco 4-meter Telescope ⓘ |
| locatedAt | Víctor M. Blanco 4-meter Telescope ⓘ |
| locatedAtObservatory | Cerro Tololo Inter-American Observatory ⓘ |
| locatedInCountry | Chile ⓘ |
| locatedInRegion |
Cerro Tololo
ⓘ
linked to:
Cerro Tololo Inter-American Observatory
|
| numberOfCCDs | 62 science CCDs ⓘ |
| operatedBy | Cerro Tololo Inter-American Observatory ⓘ |
| operatedFor | Dark Energy Survey ⓘ |
| pixelCount | 570 megapixels ⓘ |
| primaryScienceGoal |
conduct Dark Energy Survey
ⓘ
map large-scale structure of the universe ⓘ study dark energy ⓘ |
| scienceProgram |
Dark Energy Survey
ⓘ
community observing programs ⓘ |
| surveyArea | about 5000 square degrees ⓘ |
| usedFor |
Milky Way structure studies
ⓘ
galaxy cluster studies ⓘ large-scale galaxy surveys ⓘ near-Earth object searches ⓘ supernova searches ⓘ weak gravitational lensing measurements ⓘ |
| wavelengthCoverage |
near-infrared
ⓘ
optical ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Dark Energy Camera Description of subject: The Dark Energy Camera is a powerful wide-field astronomical imaging instrument designed to study dark energy and map the large-scale structure of the universe.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
Cerro Tololo Inter-American Observatory
→
hostsInstrumentOn
→
Dark Energy Camera on Víctor M. Blanco 4-meter Telescope
ⓘ
linked to: Dark Energy Camera
subject linked to:
CTIO
linked to: Dark Energy Camera
linked to: Dark Energy Camera
linked to: Dark Energy Camera
linked to: Dark Energy Camera
linked to: Dark Energy Camera